From patchwork Sat Nov 17 22:24:04 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [06/10] gsl: fix build on !i386 uClibc From: Thomas Petazzoni X-Patchwork-Id: 199882 Message-Id: <03dca9a70c465309e3295c0051d31fd932132cec.1353191025.git.thomas.petazzoni@free-electrons.com> To: buildroot@busybox.net Date: Sat, 17 Nov 2012 23:24:04 +0100 uClibc pretends to implement as it installs the header, but in practice, it only implements the functions for i386. This makes gsl unhappy as it detects fenv.h, but then cannot use the fenv functions. Fixes: http://autobuild.buildroot.org/results/732cc07faeca2a9098dc5106e8f654eb1323451a/build-end.log Signed-off-by: Thomas Petazzoni --- package/gsl/gsl.mk | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/package/gsl/gsl.mk b/package/gsl/gsl.mk index 7196859..6591591 100644 --- a/package/gsl/gsl.mk +++ b/package/gsl/gsl.mk @@ -10,4 +10,17 @@ GSL_INSTALL_STAGING = YES GSL_LICENSE = GPLv3 GSL_LICENSE_FILES = COPYING +# uClibc pretends to have fenv support as it installs , but in +# practice, it only implements it for i386. Problem reported upstream +# at: http://lists.busybox.net/pipermail/uclibc/2012-October/047067.html. +# So we tell gsl that fenv related functions are not available in this +# case. +ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC)$(BR2_TOOLCHAIN_CTNG_uClibc),y) +ifneq ($(BR2_i386),y) +GSL_CONF_ENV = \ + ac_cv_have_decl_feenableexcept=no \ + ac_cv_have_decl_fesettrapenable=no +endif +endif + $(eval $(autotools-package))